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<a href="histogram_8cl.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2016, 2017 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="helpers_8h.xhtml">helpers.h</a>&quot;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91">   26</a></span>&#160;<span class="preprocessor">#define VATOMIC_INC16(histogram, win_pos)   \</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">    {                                       \</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s0); \</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s1); \</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s2); \</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s3); \</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s4); \</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s5); \</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s6); \</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s7); \</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s8); \</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.s9); \</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.sa); \</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.sb); \</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.sc); \</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.sd); \</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.se); \</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">        atomic_inc(histogram + win_pos.sf); \</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">    }</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d">   68</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d">hist_local_kernel</a>(<a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                                __local uint *histogram_local,</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                                __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>,</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                                uint                    num_bins,</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                                uint                    <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>,</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                                uint                    range,</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                                uint                    offrange)</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;{</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    uint  local_id_x   = get_local_id(0);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    uint local_x_size = get_local_size(0);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordflow">if</span>(num_bins &gt; local_x_size)</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    {</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_id_x; i &lt; num_bins; i += local_x_size)</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        {</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            histogram_local[i] = 0;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        }</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    }</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">if</span>(local_id_x &lt;= num_bins)</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        {</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            histogram_local[local_id_x] = 0;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        }</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    }</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    uint16 vals = convert_uint16(vload16(0, input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    uint16 win_pos = select(num_bins, ((vals - offset) * num_bins) / range, (vals &gt;= offset &amp;&amp; vals &lt; offrange));</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <a class="code" href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91">VATOMIC_INC16</a>(histogram_local, win_pos);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordflow">if</span>(num_bins &gt; local_x_size)</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    {</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_id_x; i &lt; num_bins; i += local_x_size)</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        {</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;            atomic_add(histogram + i, histogram_local[i]);</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        }</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    }</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    {</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <span class="keywordflow">if</span>(local_id_x &lt;= num_bins)</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        {</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            atomic_add(histogram + local_id_x, histogram_local[local_id_x]);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        }</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    }</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;}</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#af82fea967051b827585009463255262d">  141</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#af82fea967051b827585009463255262d">hist_border_kernel</a>(<a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                                 __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>,</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                                 uint                    num_bins,</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                                 uint                    <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>,</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                                 uint                    range,</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                                 uint                    offrange)</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;{</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    uint val = (uint)(*input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    uint win_pos = (val &gt;= <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>) ? (((val - offset) * num_bins) / range) : 0;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordflow">if</span>(val &gt;= offset &amp;&amp; (val &lt; offrange))</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    {</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        atomic_inc(histogram + win_pos);</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;}</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4">  178</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4">hist_local_kernel_fixed</a>(<a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                                      __local uint *histogram_local,</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                                      __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>)</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;{</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    uint local_index  = get_local_id(0);</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    uint local_x_size = get_local_size(0);</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_index; i &lt; 256; i += local_x_size)</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    {</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        histogram_local[i] = 0;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    }</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    uint16 vals = convert_uint16(vload16(0, input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    atomic_inc(histogram_local + vals.s0);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    atomic_inc(histogram_local + vals.s1);</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    atomic_inc(histogram_local + vals.s2);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    atomic_inc(histogram_local + vals.s3);</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    atomic_inc(histogram_local + vals.s4);</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    atomic_inc(histogram_local + vals.s5);</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    atomic_inc(histogram_local + vals.s6);</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    atomic_inc(histogram_local + vals.s7);</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    atomic_inc(histogram_local + vals.s8);</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    atomic_inc(histogram_local + vals.s9);</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    atomic_inc(histogram_local + vals.sa);</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    atomic_inc(histogram_local + vals.sb);</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    atomic_inc(histogram_local + vals.sc);</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    atomic_inc(histogram_local + vals.sd);</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    atomic_inc(histogram_local + vals.se);</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    atomic_inc(histogram_local + vals.sf);</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_index; i &lt; 256; i += local_x_size)</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    {</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        atomic_add(histogram + i, histogram_local[i]);</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    }</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;}</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae">  238</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae">hist_border_kernel_fixed</a>(<a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                                       __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>)</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;{</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    atomic_inc(histogram + *input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;}</div><div class="ttc" id="histogram_8cl_xhtml_a2c8a35cfde24ca7728709200962e1a91"><div class="ttname"><a href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91">VATOMIC_INC16</a></div><div class="ttdeci">#define VATOMIC_INC16(histogram, win_pos)</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00026">histogram.cl:26</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a22f42fcf2077d951271df83b55c1a71a"><div class="ttname"><a href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a></div><div class="ttdeci">#define IMAGE_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00066">helpers.h:66</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00301">helpers.h:301</a></div></div>
<div class="ttc" id="histogram_8cl_xhtml_abc81d92c9655c4ec22fff9163b66279d"><div class="ttname"><a href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d">hist_local_kernel</a></div><div class="ttdeci">__kernel void hist_local_kernel(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __local uint *histogram_local, __global uint *restrict histogram, uint num_bins, uint offset, uint range, uint offrange)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image. </div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00068">histogram.cl:68</a></div></div>
<div class="ttc" id="histogram_8cl_xhtml_a7c8051ab952a597e66090d77f4dc60e4"><div class="ttname"><a href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4">hist_local_kernel_fixed</a></div><div class="ttdeci">__kernel void hist_local_kernel_fixed(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __local uint *histogram_local, __global uint *restrict histogram)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image with bin size of 256 and window size of 1...</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00178">histogram.cl:178</a></div></div>
<div class="ttc" id="helpers_8h_xhtml"><div class="ttname"><a href="helpers_8h.xhtml">helpers.h</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00102">helpers.h:102</a></div></div>
<div class="ttc" id="histogram_8cl_xhtml_af82fea967051b827585009463255262d"><div class="ttname"><a href="histogram_8cl.xhtml#af82fea967051b827585009463255262d">hist_border_kernel</a></div><div class="ttdeci">__kernel void hist_border_kernel(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uint *restrict histogram, uint num_bins, uint offset, uint range, uint offrange)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image&amp;#39;s border. </div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00141">histogram.cl:141</a></div></div>
<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00140">helpers.h:140</a></div></div>
<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00142">helpers.h:142</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_1_1reference_xhtml_a8c37b244d8aec5993e58b2c7f67d936d"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">arm_compute::test::validation::reference::histogram</a></div><div class="ttdeci">SimpleTensor&lt; uint32_t &gt; histogram(const SimpleTensor&lt; T &gt; &amp;src, size_t num_bins, int32_t offset, uint32_t range)</div><div class="ttdef"><b>Definition:</b> <a href="reference_2_histogram_8cpp_source.xhtml#l00038">Histogram.cpp:38</a></div></div>
<div class="ttc" id="histogram_8cl_xhtml_aec6ec6157573195df9694109ebbb38ae"><div class="ttname"><a href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae">hist_border_kernel_fixed</a></div><div class="ttdeci">__kernel void hist_border_kernel_fixed(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uint *restrict histogram)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image with bin size as 256 and window size as 1...</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00238">histogram.cl:238</a></div></div>
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